LCD vs CRT screens for masked priming
in OpenSesame
Hi,
Usually I always use CRT screens when I run masked priming experiments.
But a collaborator of mine would like to use a LCD screen as he does not have any CRT anymore in his lab.
Would you know if this is still a problem ? (or do you know somebody who would have run the blackbox toolkit in order to see if there are real problems with recent LCD screens)
Best,
Comments
Hello,
In general, LCD displays have a longer time lag to present visual stimuli than CRT displays.
If you will present the stimuli in masked priming sequence especially for a very short duration, it would be a serious problem.
Thanks, This would be for 50 ms prime durations.
As CRT monitors are getting rare and masked priming being a popular paradigm, I think that we will see more and more papers using masked priming with LCD ones which is a problem...
Some recent LCD displays specialized in PC game have very short and stable latency (less than 5ms).
If you have a blackbox toolkit, it would be possible to conduct your experiments with the high performance LCD display whose timing accuracy is checked and adjusted by the toolkit.
You can have a look at http://osdoc.cogsci.nl/3.1/manual/timing/ for reference.